<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #container {
            padding-left: 200px;
            padding-right: 150px;
        }

        #container .column {
            float: left;
        }

        #center {
            width: 100%;
        }

        #left {
            width: 200px;
        }

        #right {
            width: 150px;
        }

        #footer {
            clear: both;
        }
    </style>
</head>

<!-- 参考 https://www.jianshu.com/p/81ef7e7094e8 -->

<body>

    <div id="header"></div>
    <div id="container">
        <div id="center" class="column"></div>
        <div id="left" class="column"></div>
        <div id="right" class="column"></div>
    </div>
    <div id="footer"></div>
</body>

</html>